Contradiction with Proverbs 3:5
This verse advises trusting in the Lord with all your heart and not leaning on your own understanding, which could contradict the self-serving rationale in 2 Samuel 16:19.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with James 1:8
A double-minded man is unstable in all his ways, contrasting the portrayal of loyalty in 2 Samuel 16:19, where dual allegiance is implied.
James 1:8: A double minded man [is] unstable in all his ways.
Contradiction with Matthew 6:24
No man can serve two masters, which contrasts with the implied service to both David and Absalom in 2 Samuel 16:19.
Matthew 6:24: No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.
Contradiction with Matthew 5:37
Let your communication be 'Yea, yea; Nay, nay,' suggests clear honesty, which could conflict with the deceptive intention in 2 Samuel 16:19.
Matthew 5:37: But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.
Contradiction with John 8:44
The devil is described as a liar and the father of lies, countering the deceitfulness displayed in 2 Samuel 16:19.
John 8:44: Ye are of [your] father the devil, and the lusts of your father ye will do. He was a murderer from the beginning, and abode not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh of his own: for he is a liar, and the father of it. [of his own: or, from his own will or disposition]